CN113950084A - Calibration method of base station, device thereof, computer readable storage medium and processor - Google Patents
Calibration method of base station, device thereof, computer readable storage medium and processor Download PDFInfo
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Abstract
The invention discloses a calibration method and device of a base station, a computer readable storage medium and a processor. Wherein, the method comprises the following steps: acquiring first characteristic information, wherein the first characteristic information is position information of the terminal equipment relative to a target base station; sending the first characteristic information to a target base station so as to process the first characteristic information by using the target base station to obtain second characteristic information, wherein the second characteristic information is angle information of the terminal equipment relative to the target base station; acquiring second characteristic information sent by a target base station; and comparing the first characteristic information with the second characteristic information to obtain a calibration result, wherein the calibration result is a numerical value which needs to be adjusted for the target base station. The invention solves the technical problems of higher calibration difficulty, higher cost, lower calibration precision and lower calibration efficiency of the base station in the related technology.
Description
Technical Field
The present invention relates to the field of calibration of communication devices, and in particular, to a method and an apparatus for calibrating a base station, a computer-readable storage medium, and a processor.
Background
A base station is a device that can obtain the direction of signal source, which includes the azimuth angle and the elevation angle relative to the base station. In the application of indoor positioning, accurate positioning can be performed only by further acquiring the installation posture of the base station relative to the map.
The existing base station calibration mode mainly utilizes a built-in sensor of a base station, such as an accelerometer and a magnetometer, to carry out calibration; there are also ways to perform calibration using several preset points with respect to the base station center. The use of the built-in sensor of the base station can increase the cost of the base station and reduce the use reliability; the method uses a preset point mode to accurately measure the preset point, stops sampling calibration at the preset point position, and has no real-time calibration feedback, so that the calibration efficiency is low.
Moreover, the base station calibration difficulty in the related art is high, not only is a hardware module for assisting calibration needs to be added in the base station, the technical difficulty and hardware implementation cost of personnel are increased, but also the acquired calibration feedback result cannot be fed back in real time through an intelligent terminal screen, the accuracy of base station attitude calibration is reduced, and meanwhile, the calibration efficiency is also reduced.
In view of the above problems, no effective solution has been proposed.
Disclosure of Invention
The embodiment of the invention provides a calibration method and a device thereof, a computer readable storage medium and a processor for a base station, which aim at least solving the technical problems of higher calibration difficulty, higher cost, lower calibration precision and lower calibration efficiency of the base station in the related technology.
According to an aspect of the embodiments of the present invention, there is provided a calibration method for a base station, which is applied to a terminal device, and includes: acquiring first characteristic information, wherein the first characteristic information is position information of the terminal equipment relative to a target base station; sending the first characteristic information to the target base station so as to process the first characteristic information by using the target base station to obtain second characteristic information, wherein the second characteristic information is angle information of the terminal equipment relative to the target base station; acquiring the second characteristic information sent by the target base station; and comparing the first characteristic information with the second characteristic information to obtain a calibration result, wherein the calibration result is a numerical value which needs to be adjusted for the target base station.
Optionally, before obtaining the first characteristic information, the calibration method of the base station further includes: and establishing a communication relation with the target base station.
Optionally, the obtaining of the first feature information includes: acquiring mobile data by using induction equipment, wherein the mobile data is generated in the mobile process of the terminal equipment; and processing the mobile data to obtain the first characteristic information.
Optionally, the calibration method of the base station further includes: the method comprises the steps of processing historical movement data while collecting the movement data by using induction equipment to obtain historical first characteristic information, wherein the historical movement data is the movement data collected at the last moment.
Optionally, processing the first feature information to obtain second feature information, further includes: acquiring third characteristic information, wherein the third characteristic information is data which is transmitted by the target base station and can be used for calculating the second characteristic information; and resolving the third characteristic data to obtain the second characteristic information.
Optionally, the terminal device moves in a predetermined direction with a position directly below the target base station as a starting point.
According to another aspect of the embodiments of the present invention, there is provided a calibration apparatus for a base station, which is applied to a terminal device, and includes: a first obtaining module, configured to obtain first feature information, where the first feature information is location information of the terminal device relative to a target base station; a second obtaining module, configured to send the first feature information to the target base station, so as to process the first feature information by using the target base station to obtain second feature information, where the second feature information is angle information of the terminal device relative to the target base station; a third obtaining module, configured to obtain the second feature information sent by the target base station; and the comparison module is used for comparing the first characteristic information with the second characteristic information to obtain a calibration result, wherein the calibration result is a numerical value which needs to be adjusted for the target base station.
Optionally, the calibration apparatus of the base station further includes: and the establishing module is used for establishing a communication relation with the target base station before the first characteristic information is acquired.
Optionally, the first obtaining module includes: the terminal equipment comprises an acquisition unit, a processing unit and a processing unit, wherein the acquisition unit is used for acquiring mobile data by utilizing induction equipment, and the mobile data is generated in the mobile process of the terminal equipment; and the processing unit is used for processing the mobile data to obtain the first characteristic information.
Optionally, the calibration apparatus of the base station further includes: the processing module is used for processing historical movement data while the induction equipment is used for collecting the movement data to obtain historical first characteristic information, wherein the historical movement data is the movement data collected at the last moment.
Optionally, processing the first feature information to obtain second feature information, further includes: an obtaining unit, configured to obtain third feature information, where the third feature information is data that is transmitted by the target base station and from which the second feature information can be calculated; and the calculating unit is used for calculating the third characteristic data to obtain the second characteristic information.
Optionally, the terminal device moves in a predetermined direction with a position directly below the target base station as a starting point.
According to another aspect of the embodiments of the present invention, there is also provided a computer-readable storage medium including a stored computer program, wherein when the computer program is executed by a processor, the computer-readable storage medium is controlled by an apparatus to perform any one of the above calibration methods for a base station.
According to another aspect of the embodiments of the present invention, there is also provided a processor, configured to execute a computer program, where the computer program executes to perform the calibration method of the base station described in any one of the above.
In the embodiment of the invention, first characteristic information is obtained, wherein the first characteristic information is position information of a terminal device relative to a target base station; sending the first characteristic information to a target base station so as to process the first characteristic information by using the target base station to obtain second characteristic information, wherein the second characteristic information is angle information of the terminal equipment relative to the target base station; acquiring second characteristic information sent by a target base station; and comparing the first characteristic information with the second characteristic information to obtain a calibration result, wherein the calibration result is a numerical value which needs to be adjusted for the target base station. By the base station calibration method provided by the embodiment of the invention, the purposes of comparing the acquired position information of the terminal equipment relative to the target base station with the angle information solved by the target base station and finally obtaining the calibration result of the target base station are achieved, so that the technical effects of improving the attitude calibration accuracy and calibration efficiency of the base station are realized, and the technical problems of high base station calibration difficulty, high cost and low calibration accuracy and efficiency in the related technology are solved.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the invention and together with the description serve to explain the invention without limiting the invention. In the drawings:
fig. 1 is a flowchart of a calibration method of a base station according to an embodiment of the present invention;
fig. 2 is a schematic diagram of a calibration apparatus of a base station according to an embodiment of the present invention.
Detailed Description
In order to make the technical solutions of the present invention better understood, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It should be noted that the terms "first," "second," and the like in the description and claims of the present invention and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used is interchangeable under appropriate circumstances such that the embodiments of the invention described herein are capable of operation in sequences other than those illustrated or described herein. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.
Example 1
In accordance with an embodiment of the present invention, there is provided a method embodiment of a calibration method for a base station, it should be noted that the steps illustrated in the flowchart of the accompanying drawings may be performed in a computer system such as a set of computer executable instructions, and that while a logical order is illustrated in the flowchart, in some cases the steps illustrated or described may be performed in an order different than that herein.
Fig. 1 is a flowchart of a calibration method of a base station according to an embodiment of the present invention, as shown in fig. 1, the method includes the following steps:
step S102, first characteristic information is obtained, wherein the first characteristic information is position information of the terminal device relative to the target base station.
Optionally, in the above step, the location information of the terminal device relative to the target base station includes but is not limited to: phase angle, pitch angle, distance traveled.
It should be noted that the travel distance in the above embodiment is a relative distance between the terminal device and the target base station, which is acquired by the accelerometer and the gyroscope in the calibration process.
And step S104, sending the first characteristic information to the target base station so as to process the first characteristic information by using the target base station to obtain second characteristic information, wherein the second characteristic information is angle information of the terminal equipment relative to the target base station.
Optionally, in the above step, the way for the terminal device to send the first characteristic information to the target base station may be through an established communication connection, and data may be sent to the target base station in real time, and the base station completes the calculation of the first characteristic information.
And step S106, acquiring second characteristic information sent by the target base station.
Optionally, when the terminal device obtains the second feature information sent by the target base station, the target base station may directly send the resolved second feature information to the terminal device, or may package and encapsulate data of the resolved second feature information into a data packet and send the data packet to the terminal device, so that the terminal device resolves the second feature information.
Step S108, comparing the first characteristic information with the second characteristic information to obtain a calibration result, wherein the calibration result is a numerical value which needs to be adjusted for the target base station.
Optionally, in the above step, the calibration processing of the base station is performed by performing real-time calculation and comparison locally on the terminal device.
Furthermore, the collected position information of the N points can be formed into an N-dimensional vector, the rotation matrix estimation is carried out, and the average difference value between the position information and the position estimation of the terminal equipment is obtained by calculating the Euclidean distance and is used as the accuracy judgment principle.
It should be noted that euclidean distance refers to euclidean distance, which is a commonly used distance definition, and refers to the real distance between two points in a multidimensional space, or the natural length of a vector (i.e., the distance from the point to the origin).
As can be seen from the above, in the embodiment of the present invention, first feature information may be obtained, where the first feature information is position information of the terminal device relative to the target base station; then, the first characteristic information is sent to a target base station so as to be processed by the target base station to obtain second characteristic information, wherein the second characteristic information is angle information of the terminal equipment relative to the target base station; then acquiring second characteristic information sent by the target base station; and finally, comparing the first characteristic information with the second characteristic information to obtain a calibration result, wherein the calibration result is a numerical value which needs to be adjusted for the target base station. By the base station calibration method provided by the embodiment of the invention, the purposes of comparing the acquired position information of the terminal equipment relative to the target base station with the angle information solved by the target base station and finally obtaining the calibration result of the target base station are achieved, so that the technical effects of improving the attitude calibration accuracy and calibration efficiency of the base station are realized, and the technical problems of high base station calibration difficulty, high cost and low calibration accuracy and efficiency in the related technology are solved.
As an optional embodiment, before acquiring the first feature information, the method further includes: and establishing a communication relation with the target base station.
In the above embodiment, the established communication relationship may be used to transmit the acquired first characteristic information, the acquired second characteristic information and the calibration result.
As an alternative embodiment, in step S102, obtaining the first feature information includes: acquiring mobile data by using induction equipment, wherein the mobile data is data generated in the moving process of the terminal equipment; and processing the mobile data to obtain first characteristic information.
In this embodiment, the sensing devices include, but are not limited to: an accelerometer, a magnetic needle, a gyroscope and other measuring equipment. The accelerometer can detect changes of the inclination angle of the terminal device, such as up, down, left and right; the magnetic needle can convert signals of the magnetic property change of the sensitive element caused by external factors such as magnetic field, current, stress strain, temperature, light and the like into electric signals, and the physical parameters such as the position, the direction and the like of the terminal equipment are measured in the mode; the gyroscope can provide accurate information of azimuth and direction position, speed and acceleration, and the like.
As an optional embodiment, the calibration method of the base station further includes: the method comprises the steps of processing historical movement data while collecting the movement data by using induction equipment to obtain historical first characteristic information, wherein the historical movement data is the movement data collected at the last moment.
In this embodiment, since the real-time data is collected with a certain delay, the historical movement data is processed and sent to the target base station in real time.
As an alternative embodiment, in step S104, the processing the first feature information to obtain the second feature information further includes: acquiring third characteristic information, wherein the third characteristic information is data which is transmitted by the target base station and can be used for calculating the second characteristic information; and resolving the third characteristic data to obtain second characteristic information.
In this embodiment, in consideration of compliance between the terminal device and the target base station, two alternatives are adopted, and the target base station may directly send the second feature information to the terminal device; or locally packaging the second characteristic information, sending a data packet (namely, third characteristic information) to the terminal device, and then resolving the second characteristic information by the terminal device so as to save the calculation power of the target base station.
As an alternative embodiment, the terminal device moves in a predetermined direction with the position directly below the target base station as a starting point.
In the above alternative embodiment, the terminal device starts moving in a certain direction from just below the target base station at the start of the calibration process, and at the same time, performs the real-time calibration process of the base station.
The present invention will be described in detail with reference to specific examples.
In an embodiment of the present invention, an embodiment of a method for correcting an attitude of an AoA base station by using an intelligent terminal is provided, which mainly includes the following steps:
step 1): the intelligent terminal and the AoA base station establish a data communication link (namely, a communication relation) in a network mode and the like, and the intelligent terminal can acquire relevant information required for resolving the signal source direction from the AoA base station, namely relative azimuth angle/pitch angle (namely angle information) or data capable of resolving the relative azimuth angle/pitch angle.
Step 2): the intelligent terminal starts from the position under the base station, and the position of the intelligent terminal is estimated (namely position information) through an accelerometer, a magnetometer and a gyroscope carried by the intelligent terminal.
Step 3): the intelligent terminal carries out position calculation by itself, namely, a positioning data packet which can be calculated by the AoA base station is synchronously sent, the AoA base station can calculate the relative azimuth angle and the pitch angle of the intelligent terminal through the positioning data packet, or the data which can be calculated the relative azimuth angle/the pitch angle is sent to the intelligent terminal through the data communication link established in the step 1.
Step 4): if the AoA base station sends data capable of calculating the relative azimuth angle/pitch angle to the intelligent terminal, the data is calculated at the intelligent terminal to obtain the relative azimuth angle/pitch angle; and if the AoA base station sends a relative azimuth angle/pitch angle, the intelligent terminal directly obtains the relative azimuth angle/pitch angle.
Step 5): and the intelligent terminal is matched with the relative azimuth angle/pitch angle acquired in the step 4) through the position estimation result of the intelligent terminal to obtain an attitude calibration result of the AoA base station.
Step 6): and (3) combining the relative azimuth angle/pitch angle obtained in the step 4) with the base station attitude calibration result obtained in the step 5), calibrating to obtain a data result after the AoA base station calibration, comparing the data result with a result estimated by the intelligent terminal through the position of the intelligent terminal, wherein the obtained difference can be used for describing the accuracy of the calibration result, when the intelligent terminal judges that the accuracy is enough, ending the calibration method, otherwise, the intelligent terminal can be positioned below the base station, restarting from the step 2) until the accuracy is high enough, and ending the calibration method.
It should be noted that, in the embodiment of the present invention, step 6) is mainly to improve the calibration accuracy of the base station, and if the user wants to further improve the accuracy, the operation may be repeated from step 2) until the calibration result is satisfied.
In summary, the calibration method for the base station provided in the embodiments of the present invention mainly aims to solve the problem of calibration of the attitude of the base station, and performs calibration of the base station by a low-cost and high-efficiency method. For example, the base station is calibrated in real time by using an intelligent terminal, such as a mobile phone, a tablet and the like, a hardware module for assisting calibration is not required to be added in the base station, so that the equipment cost is reduced, meanwhile, the calibration feedback can be obtained through the real-time feedback of the screen of the intelligent terminal, the accuracy of the attitude calibration of the base station is improved, and meanwhile, the calibration efficiency is greatly improved.
Example 2
According to another aspect of the embodiment of the present invention, there is also provided a calibration apparatus for a base station, which is applied to a terminal device, and fig. 2 is a schematic diagram of the calibration apparatus for a base station according to the embodiment of the present invention, as shown in fig. 2, the base station includes: a first obtaining module 21, a second obtaining module 23, a third obtaining module 25 and a comparing module 27. The following describes a calibration apparatus for the base station.
The first obtaining module 21 is configured to obtain first feature information, where the first feature information is location information of the terminal device relative to the target base station.
The second obtaining module 23 is configured to send the first feature information to the target base station, so as to process the first feature information by using the target base station to obtain second feature information, where the second feature information is angle information of the terminal device relative to the target base station.
And a third obtaining module 25, configured to obtain second feature information sent by the target base station.
A comparing module 27, configured to compare the first characteristic information with the second characteristic information to obtain a calibration result, where the calibration result is a value that needs to be adjusted for the target base station.
It should be noted that the first obtaining module 21, the second obtaining module 23, the third obtaining module 25 and the comparing module 27 correspond to steps S102 to S108 in embodiment 1, and the modules are the same as the corresponding steps in the implementation example and application scenarios, but are not limited to the disclosure in embodiment 1. It should be noted that the modules described above as part of an apparatus may be implemented in a computer system such as a set of computer-executable instructions.
As can be seen from the above, in the embodiment of the present invention, first, the first obtaining module 21 may be used to obtain first feature information, where the first feature information is position information of the terminal device relative to the target base station; then, the second obtaining module 23 is used to send the first characteristic information to the target base station, so that the target base station is used to process the first characteristic information to obtain second characteristic information, wherein the second characteristic information is angle information of the terminal device relative to the target base station; then, a third obtaining module 25 is used for obtaining second characteristic information sent by the target base station; finally, the comparison module 27 is used to compare the first characteristic information with the second characteristic information to obtain a calibration result, where the calibration result is a value that needs to be adjusted for the target base station. By the base station calibration device provided by the embodiment of the invention, the purposes of comparing the acquired position information of the terminal equipment relative to the target base station with the angle information calculated by the target base station and finally obtaining the calibration result of the target base station are achieved, so that the technical effects of improving the attitude calibration accuracy and calibration efficiency of the base station are achieved, and the technical problems of high base station calibration difficulty, high cost and low calibration accuracy and efficiency in the related technology are solved.
Optionally, the calibration apparatus of the base station further includes: and the establishing module is used for establishing a communication relation with the target base station before the first characteristic information is acquired.
Optionally, the calibration apparatus of the base station further includes: the system comprises an acquisition unit, a processing unit and a processing unit, wherein the acquisition unit is used for acquiring mobile data by using induction equipment, and the mobile data is generated in the mobile process of the terminal equipment; and the processing unit is used for processing the mobile data to obtain first characteristic information.
Optionally, the calibration apparatus of the base station further includes: the processing module is used for processing the historical movement data while the movement data are collected by the induction equipment to obtain historical first characteristic information, wherein the historical movement data are the movement data collected at the last moment.
Optionally, the calibration apparatus of the base station further includes: an acquiring unit, configured to acquire third feature information, where the third feature information is data that is transmitted by a target base station and from which second feature information can be solved; and the calculating unit is used for calculating the third characteristic data to obtain second characteristic information.
Alternatively, the terminal device moves in a predetermined direction with the position directly below the target base station as a starting point.
Example 3
According to another aspect of the embodiments of the present invention, there is also provided a computer-readable storage medium including a stored computer program, wherein when the computer program is executed by a processor, the apparatus in which the computer-readable storage medium is located is controlled to perform the calibration method of the base station according to any one of the above.
Example 4
According to another aspect of the embodiments of the present invention, there is also provided a processor for executing a computer program, where the computer program executes to perform the calibration method of the base station of any one of the above.
The above-mentioned serial numbers of the embodiments of the present invention are merely for description and do not represent the merits of the embodiments.
In the above embodiments of the present invention, the descriptions of the respective embodiments have respective emphasis, and for parts that are not described in detail in a certain embodiment, reference may be made to related descriptions of other embodiments.
In the embodiments provided in the present application, it should be understood that the disclosed technology can be implemented in other ways. The above-described embodiments of the apparatus are merely illustrative, and for example, the division of the units may be a logical division, and in actual implementation, there may be another division, for example, multiple units or components may be combined or integrated into another system, or some features may be omitted, or not executed. In addition, the shown or discussed mutual coupling or direct coupling or communication connection may be an indirect coupling or communication connection through some interfaces, units or modules, and may be in an electrical or other form.
The units described as separate parts may or may not be physically separate, and parts displayed as units may or may not be physical units, may be located in one place, or may be distributed on a plurality of units. Some or all of the units can be selected according to actual needs to achieve the purpose of the solution of the embodiment.
In addition, functional units in the embodiments of the present invention may be integrated into one processing unit, or each unit may exist alone physically, or two or more units are integrated into one unit. The integrated unit can be realized in a form of hardware, and can also be realized in a form of a software functional unit.
The integrated unit, if implemented in the form of a software functional unit and sold or used as a stand-alone product, may be stored in a computer readable storage medium. Based on such understanding, the technical solution of the present invention may be embodied in the form of a software product, which is stored in a storage medium and includes instructions for causing a computer device (which may be a personal computer, a server, or a network device) to execute all or part of the steps of the method according to the embodiments of the present invention. And the aforementioned storage medium includes: a U-disk, a Read-Only Memory (ROM), a Random Access Memory (RAM), a removable hard disk, a magnetic or optical disk, and other various media capable of storing program codes.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.
Claims (10)
1. A calibration method of a base station is applied to a terminal device, and comprises the following steps:
acquiring first characteristic information, wherein the first characteristic information is position information of the terminal equipment relative to a target base station;
sending the first characteristic information to the target base station so as to process the first characteristic information by using the target base station to obtain second characteristic information, wherein the second characteristic information is angle information of the terminal equipment relative to the target base station;
acquiring the second characteristic information sent by the target base station;
and comparing the first characteristic information with the second characteristic information to obtain a calibration result, wherein the calibration result is a numerical value which needs to be adjusted for the target base station.
2. The method for calibrating a base station according to claim 1, further comprising, before the obtaining the first characteristic information:
and establishing a communication relation with the target base station.
3. The method of claim 1, wherein obtaining the first characteristic information comprises:
acquiring mobile data by using induction equipment, wherein the mobile data is generated in the mobile process of the terminal equipment;
and processing the mobile data to obtain the first characteristic information.
4. The method for calibrating a base station according to claim 3, further comprising:
the method comprises the steps of processing historical movement data while collecting the movement data by using induction equipment to obtain historical first characteristic information, wherein the historical movement data is the movement data collected at the last moment.
5. The method of claim 1, wherein the processing the first characteristic information to obtain second characteristic information further comprises:
acquiring third characteristic information, wherein the third characteristic information is data which is transmitted by the target base station and can be used for calculating the second characteristic information;
and resolving the third characteristic data to obtain the second characteristic information.
6. The method according to any of claims 1 to 5, wherein the terminal device moves in a predetermined direction starting from a position directly below the target base station.
7. A calibration device of a base station, applied to a terminal device, includes:
a first obtaining module, configured to obtain first feature information, where the first feature information is location information of the terminal device relative to a target base station;
a second obtaining module, configured to send the first feature information to the target base station, so as to process the first feature information by using the target base station to obtain second feature information, where the second feature information is angle information of the terminal device relative to the target base station;
a third obtaining module, configured to obtain the second feature information sent by the target base station;
and the comparison module is used for comparing the first characteristic information with the second characteristic information to obtain a calibration result, wherein the calibration result is a numerical value which needs to be adjusted for the target base station.
8. The calibration apparatus for a base station according to claim 7, further comprising:
and the establishing module is used for establishing a communication relation with the target base station before the first characteristic information is acquired.
9. A computer-readable storage medium, comprising a stored computer program, wherein the computer program, when executed by a processor, controls an apparatus in which the computer-readable storage medium is located to perform the method of calibrating a base station of any one of claims 1 to 6.
10. A processor for executing a computer program, wherein the computer program is configured to perform the calibration method of the base station according to any of the preceding claims 1 to 6 when executed.
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